Re: psse2mpc conversion: bug in transformers with impedance code CZ=3?

Thanks Jose, we’re looking into this. Ray > On Oct 23, 2015, at 8:48 AM, Jose Luis Marin wrote: > > > Sorry, I think I made a mistake in my interpretation of what R1-2 means when > CZ=3. I think it is just the losses in the actual short-circuit test, in > which

Re: psse2mpc conversion: bug in transformers with impedance code CZ=3?

Sorry, I think I made a mistake in my interpretation of what R1-2 means when CZ=3. I think it is just the losses in the actual short-circuit test, in which the applied voltage is very low, certainly NOT the nominal voltage. The voltage is applied until one gets the nominal current, I=1 in pu.

psse2mpc conversion: bug in transformers with impedance code CZ=3?

Hello Ray, I think I may have found a bug in *psse2mpc*, which concerns the calculation of R,X for transformers when these are specified with *"Impedance Code" CZ=3*. The PSS/E docs decribing the RAW format specify that, when CZ=3, the values in the file are: - R1-2 is the transformer load